<?php
	add_theme_support( 'post-thumbnails' ); 
	function is_active($g) {
		global $page_id;
		if ($g === $page_id)
			echo "class='active'";
	}	
	add_filter('locale', 'wpse27056_setLocale');
	function wpse27056_setLocale($locale) {
	    if ( is_admin() ) {
	        return 'zh_CN';
	    }

	    return $locale;
}
?>